html {
 margin: 0;
 padding: 0;
}

body {
 margin: 0;
 padding: 0;
 font-family: sans-serif;
 font-size: 12pt;
}

#top {
 position: absolute;
 top: 0; width: 100%; height: 100px;
 background: white;
}

#sep {
 position: absolute;
 top: 100px; width: 98%; height: 10px;
 background: white;
 padding: 0 1%;
}

#bottom {
 position: absolute;
 bottom: 0; width: 100%; height: 30px;
 padding: 10px 0;
 background: grey;
 text-align: center;
 font-weight: bold;
}

#left {
 position: absolute;
 top: 115px; bottom: 55px; left: 5px; width: 190px;
 padding: 5px;
 background: white;
}

#main {
 position: absolute;
 top: 115px; left: 210px; right: 0; bottom: 55px;
 background: white;
}

iframe {
 width: 100%; height: 100%;
 border: none;
}

a {
 text-decoration: none;
 color: blue;
}

a:visited {
 color: indigo;
}

a:hover {
 color: red; 
}